<?php

/**
 * This is the model class for table "news".
 *
 * The followings are the available columns in table 'news':
 * @property integer $id
 * @property string $title
 * @property string $description
 * @property string $content
 * @property string $created
 * @property string $updated
 * @property integer $status
 */
class News extends CActiveRecord
{
	/**
	 * @return string the associated database table name
	 */
	public function tableName()
	{
		return 'news';
	}

	/**
	 * @return array validation rules for model attributes.
	 */
	public function rules()
	{
		// NOTE: you should only define rules for those attributes that
		// will receive user inputs.
		return array(
			array('title, content, description', 'required'),
            array('title, image', 'length', 'max'=>255, 'on'=>'insert,update'),
			array('status', 'numerical', 'integerOnly'=>true),
            array('image', 'file','types'=>'jpg, gif, png', 'allowEmpty'=>true, 'on'=>'update'),
			array('description, created, updated', 'safe'),
			// The following rule is used by search().
			// @todo Please remove those attributes that should not be searched.
			array('id, title, description, content, created, updated, status', 'safe', 'on'=>'search'),
		);
	}

	/**
	 * @return array relational rules.
	 */
	public function relations()
	{
		// NOTE: you may need to adjust the relation name and the related
		// class name for the relations automatically generated below.
		return array(
		);
	}

	/**
	 * @return array customized attribute labels (name=>label)
	 */
	public function attributeLabels()
	{
		return array(
			'id' => 'ID',
			'title' => 'Title',
			'description' => 'Description',
			'content' => 'Content',
			'created' => 'Created',
			'updated' => 'Updated',
			'status' => 'Status',
		);
	}

	/**
	 * Retrieves a list of models based on the current search/filter conditions.
	 *
	 * Typical usecase:
	 * - Initialize the model fields with values from filter form.
	 * - Execute this method to get CActiveDataProvider instance which will filter
	 * models according to data in model fields.
	 * - Pass data provider to CGridView, CListView or any similar widget.
	 *
	 * @return CActiveDataProvider the data provider that can return the models
	 * based on the search/filter conditions.
	 */
	public function search()
	{
		// @todo Please modify the following code to remove attributes that should not be searched.

		$criteria=new CDbCriteria;

		$criteria->compare('id',$this->id);
		$criteria->compare('title',$this->title,true);
		$criteria->compare('description',$this->description,true);
		$criteria->compare('content',$this->content,true);
		$criteria->compare('created',$this->created,true);
		$criteria->compare('updated',$this->updated,true);
		$criteria->compare('status',$this->status);

		return new CActiveDataProvider($this, array(
			'criteria'=>$criteria,
		));
	}

	/**
	 * Returns the static model of the specified AR class.
	 * Please note that you should have this exact method in all your CActiveRecord descendants!
	 * @param string $className active record class name.
	 * @return News the static model class
	 */
	public static function model($className=__CLASS__)
	{
		return parent::model($className);
	}
        
    /*
     * update order up or donw for product
     */
    public function updateOrder($newsId, $newsIdChange)
    {
        $news = $this->findByPk($newsId);
        $newsChange = $this->findByPk($newsIdChange);
        
        $sql = "UPDATE news t1
        SET t1.order = ". $newsChange->order .",
            t1.updated = '". date('Y-m-d H:i:s') ."'
        WHERE t1.`id` = ". $newsId;
        
        $command=Yii::app()->db->createCommand($sql);
        $command->query();
        
        $sql = "UPDATE news t1
        SET t1.order = ". $news->order .",
            t1.updated = '". date('Y-m-d H:i:s') ."'
        WHERE t1.`id` = ". $newsIdChange;

        $command=Yii::app()->db->createCommand($sql);
        $command->query();
    }
}
